Ayodeji Emmanuel Oke is a Senior lecturer in the Department of Quantity Surveying, Federal University of Technology Akure, Nigeria and a Senior Research Associate with cidb Centre of Excellence, Faculty of Engineering and Built Environment, University of Johannesburg, South Africa. Seyi Segun Stephen is a graduate of Quantity Surveying at the Federal University of Technology, Akure Nigeria. Clinton Ohis Aigbavboa is a Professor in the Department of Construction Management and Quantity Surveying, and Director of cidb Centre of Excellence & Sustainable Human Settlement and Construction Research Centre, University of Johannesburg, South Africa. Deji Rufus Ogunsemi is a Professor of Quantity Surveying in the Department of Quantity Surveying, Federal University of Technology Akure, Nigeria, and the current Academics Deputy Vice-Chancellor. Isaac Olaniyi Aje is a Professor of Contract Management and Quantity Surveying in the Department of Quantity Surveying, Federal University of Technology Akure, Nigeria, and the current Dean of the School of Environmental Technology.